Portable audio mixer



FIG. 1 is an isometric view of the design of the present applicationtaken from above, with a computer processing device shown in broken linedocked with the portable audio mixer;

FIG. 2 is a bottom isometric view of the design of FIG. 1;

FIG. 3 is a top view of the design of FIG. 1;

FIG. 4 is a bottom view of the design of FIG. 1;

FIG. 5 is an end view of the design of FIG. 1;

FIG. 6 is an end view of the design of FIG. 1 taken from the oppositeend of the design;

FIG. 7 is a side view of the design of FIG. 1; and,

FIG. 8 is a side view of the design of FIG. 1 taken from the oppositeside of the design relative to FIG. 7.

The elements depicted in broken lines in the figures are included forenvironmental purposes only, and form no part of the claimed design.

CLAIM The ornamental design for a portable audio mixer, as shown anddescribed.